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Fig. 2 | Gynecological Surgery

Fig. 2

From: Evidence-based gynaecological practice: clinical review 3. The use of imaging for pre-operative planning in deep infiltrating endometriosis involving the rectum

Fig. 2

Likelihood nomogram (adapted from Centre for Evidence Based Medicine www.cebm.net). For example, if our test has a LR+ of 35 and LR− of 0.1 and our patient’s pre-test probability of 50% (X), a positive test will lead to a post-test probability (A) of approximately 95.5% and a negative test a post-test probability (B) of approximately 9%

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